QSFP-H40G-CU4M
Cisco 40GBASE-CR4 QSFP direct-attach copper cable, 4-meter, passive
The Cisco QSFP-H40G-CU4M is a 4 meter 40GBASE-CR4 passive copper cable to interconnect QSFP ports over very short reaches.
QSFP-H40G-CU4M Overview
The QSFP-H40G-CU4M is a direct-attach copper cable that provides 40 Gigabit Ethernet connectivity between QSFP ports over very short reaches. This passive copper cable assembly supports link lengths up to 4 meters.
As a QSFP direct attach cable, the QSFP-H40G-CU4M offers a cost-effective way to establish a 40 Gigabit link between QSFP ports across adjacent racks or across rack rows under 4 meters. Its passive design provides high reliability and longevity while minimizing power consumption.
Key Features
- Direct attach copper cable for 40GBASE-CR4 QSFP ports
- Link lengths up to 4 meters
- Passive design with minimal power consumption
- Cost-effective 40G connectivity for short reaches
- Guaranteed performance and bit error rate
- Reliable copper media assembly
QSFP-H40G-CU4M Compatibility
| Product | Description |
|---|---|
| Cisco Nexus 9000 Series Switches | High-performance data center switches with QSFP+ ports. |
| Cisco Catalyst 3850 Series Switches | Enterprise-grade switches with QSFP+ ports for high-speed connectivity. |
| Cisco ASR 9000 Series Routers | High-performance routers with QSFP+ ports for service provider networks. |
| Cisco MDS 9000 Series Storage Switches | High-performance storage switches with QSFP+ ports for SANs. |
Specifications
| Spec | Description |
|---|---|
| Standard | 40GBASE-CR4 |
| Cable Length | 4 m |
| Connector Type | QSFP |
| Cable Type | Passive Copper |
| Cable Diameter | 9 mm |
| Bend Radius | 50 mm |
| Faceplate Distance | 100 mm |
| Power Rating | 1/10 W per end |
Installation
To install the QSFP-H40G-CU4M cable:
- Insert the QSFP connectors on each end into the 40G QSFP ports on the connected devices. Ensure the connectors are fully seated.
- Verify port status LEDs indicate Link status.
- Configure and test connectivity across the 40G link.
Ordering Information
Product Number: QSFP-H40G-CU4M=
Brand
Cisco Systems
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